122001110212111 has 8 divisors (see below), whose sum is σ = 131390001436064. Its totient is φ = 112612817622240.

The previous prime is 122001110212061. The next prime is 122001110212123. The reversal of 122001110212111 is 111212011100221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122001110212111 - 2³⁷ = 121863671258639 is a prime.

It is a super-2 number, since 2×122001110212111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001110212141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149235195 + ... + 150050476.

It is an arithmetic number, because the mean of its divisors is an integer number (16423750179508).

Almost surely, 2^{122001110212111} is an apocalyptic number.

122001110212111 is a deficient number, since it is larger than the sum of its proper divisors (9388891223953).

122001110212111 is a wasteful number, since it uses less digits than its factorization.

122001110212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299317041.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 122001110212111 its reverse (111212011100221), we get a palindrome (233213121312332).

The spelling of 122001110212111 in words is "one hundred twenty-two trillion, one billion, one hundred ten million, two hundred twelve thousand, one hundred eleven".